Home / 5,615.38-7,752.36-3,941.92

Finding the Fourth Proportional to 5,615.38, 7,752.36 and 3,941.92

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Solution

The fourth proportional to 5,615.38, 7,752.36 and 3,941.92 is: 5,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.38 : 7,752.36 = 3,941.92 : x
  2. Step 2: Convert to fraction form
    5,615.38/7,752.36 = 3,941.92/x
  3. Step 3: Cross multiply
    5,615.38x = 7,752.36 × 3,941.92
  4. Step 4: Simplify right side
    5,615.38x = 30,559,182.93
  5. Step 5: Solve for x
    x = 30,559,182.93/5,615.38
  6. Step 6: Final answer
    x = 5,442.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.